Home / 68,209.70-94,129.33-39,546.00

Finding the Fourth Proportional to 68,209.70, 94,129.33 and 39,546.00

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Solution

The fourth proportional to 68,209.70, 94,129.33 and 39,546.00 is: 54,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,209.70 : 94,129.33 = 39,546.00 : x
  2. Step 2: Convert to fraction form
    68,209.70/94,129.33 = 39,546.00/x
  3. Step 3: Cross multiply
    68,209.70x = 94,129.33 × 39,546.00
  4. Step 4: Simplify right side
    68,209.70x = 3,722,438,405.66
  5. Step 5: Solve for x
    x = 3,722,438,405.66/68,209.70
  6. Step 6: Final answer
    x = 54,573.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.